/Engine/Plugins/Experimental/MeshModelingToolsetExp/Source/ModelingEditorUI/Public/STransformGizmoNumericalUIOverlay.h
Usually do not need setting. See comment for SetCustomDisplayConversionFunctions.
WidgetArgsType & InternalToDisplayFunction &40; TFunction< FVector3d(const FVector3d &InternalValue)> InArg &41;